Arandomized multicentre trial of the Multiload 375 and TCu380A lUDs in parous women: three-year results
UNDP/UNFPA/WHO/World Bank, Special Programme of Research, Development and Research Training in Human Reproduction: IUD Research Group
Contraception (Stoneham), 1994, Vol.49 (6), p.543-549 [Periódico revisado por pares]Elsevier Inc
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